By that standard,
Penny is CUCKOO for Cocoa Puffs.
The Big Bang Theory Season 4, Episode 9
was for CUCKOO pills.
The Big Bang Theory Season 7, Episode 7
It's like the world's
fattest CUCKOO clock.
The Big Bang Theory Season 7, Episode 23
I always thought
I was more like a CUCKOO bird.
The Big Bang Theory Season 1, Episode 15
Oh, yeah. The Mr. Spock CUCKOO clock.
The Big Bang Theory Season 10, Episode 10